Exploration

Successful launch of reusable rocket; UFOs and the presidential campaign; will a planet hit the earth next month?

SpaceX_Grasshopper_rocket_midflightSuccessful launch of reusable rocket; UFOs and the presidential campaign; will a planet hit the earth next month?

Guest: Dan Charles, author of book on Nobel Laureate Fritz Haber, who worked for the Nazis

Hosted by Dr. Michio Kaku.

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